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Research Article Open Access
The flower volatile constituents of Plumeria rubra L. grown in foothills of north India were analyzed by gas chromatography (GC) and GC-mass spectrometry (GC-MS). Altogether 31 constituents, representing 94.0% of flower essential oil and 89.2% of steam volatile extract were identified. Benzyl esters (49.0%, 41.4%), aliphatic alkanes (25.8%, 7.2%), oxygenated monoterpenes (0.1%, 27.1%), oxygenated sesquiterpenes (9.5%, 8.8%), and diterpene (9.4%, 0.2%), were the major class of constituents. Benzyl salicylate (26.7%, 33.5%), benzyl benzoate (22.3%, 7.9%), geraniol (trace, 17.2%), (E,E)-geranyl linalool (9.4%, 0.2%), tricosane (8.3%, 1.1%), linalool (0.1%, 8.0%), nonadecane (7.0%, 3.8%), (E)-nerolidol (7.0%, 5.5%), and pentacosane (4.4%, 0.3%) were the major constituents identified in flower oil and hydrodistilled volatile distillate. Results were compared with reported floral compositions of P. rubra that revealed considerate qualitative and quantitative variations. Alkanoic acids, neryl phenylacetate, phenylacetaldehyde, β-phenylethyl alcohol reported earlier were not present in P. rubra grown in India.
Plumeria rubra, Flower, Essential oil, Benzyl benzoate, Benzyl salicylate , Aromatic Shrubs, Aromatics, Common Medicinal Plants, Fragrant Plants